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Old 01-22-2004   #26
Shane@DBPerformance
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Quote:
Originally posted by EclipseTurbo@Jan 22 2004, 11:14 AM
Not always will the bigger injectors or a bigger pump CURE it. It will help it though, or raise the psi it will cut at.
No, it won't help at all, unless you remove airflow signal with a fuel controller. Putting in a bigger fuel pump will not change where it fuel cuts at. The reason why you fuel cut when its colder out is because 14psi when its 75 degrees out is not the same as 14psi when its 30 degrees out. Colder air is denser so when its cold out the ECU sees more airflow at the same boost level than it does when its hot out. Which causes its fuel cut routines to kick in earlier because they are based off airflow not boost psi or running lean.

As far as the MAFT, it uses the same tricks that an AFC does. It is no better nor worse than using an AFC to get around fuel cut, so you need to use larger injectors in conjunction with it for it help fuel cut at all.
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